Syllable Counter

Count syllables in English text. Shows total syllables, per-word breakdown, and average syllables per word.

Text Input

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How syllable counting works

Syllable counting in English uses a vowel-group algorithm: each consecutive group of vowels (a, e, i, o, u) counts as one syllable, with adjustments for silent 'e' at the end of words, 'ed' endings, and words ending in 'le'. This heuristic approach is accurate for most common English words.

Built and maintained by Meet Shah · Last updated 5 August 2026

What this tool is used for

Checking a line's syllable count for a haiku or a metrical form.
Estimating readability, where syllables per word is one of the inputs.
Checking whether a name or a tagline scans well when read aloud.
Comparing two drafts on average word complexity.
Getting a per-word breakdown to find the words dragging a score down.

Frequently Asked Questions

How are syllables counted?: By a heuristic: count vowel groups, subtract silent trailing 'e', and apply exception rules. There is no algorithm that is right every time — English spelling is too irregular — so dictionary lookup is the only fully accurate method.
Which words does the heuristic get wrong?: Words where spelling and pronunciation diverge: 'business' (2 syllables, looks like 3), 'every' (usually 2 in speech, 3 in writing), 'fire' and 'hour' (1 or 2 depending on accent). Names and loanwords are the worst cases.
Why does syllable count matter?: It is the input to readability formulas — Flesch Reading Ease and the SMOG index both key on syllables per word — and it is essential for poetry with fixed metre, such as haiku's 5-7-5 or iambic pentameter's ten.
Does accent change the count?: Yes, genuinely. 'Caramel' is two syllables for many British speakers and three for many American ones; 'mirror' can be one or two. Any single number is a convention, not a fact about the word.
What is the difference between a syllable and a morpheme?: A syllable is a unit of SOUND built around a vowel; a morpheme is a unit of MEANING. 'Cats' is one syllable but two morphemes (cat + s), while 'water' is two syllables and one morpheme.
Why is syllable counting harder in English than in most languages?: Because spelling and pronunciation diverged. Spanish and Italian syllable rules are nearly mechanical; English has silent letters, borrowed spellings and stress-dependent vowels, so heuristics work on the common case and fail on the rest.
Do compound and hyphenated words count correctly?: Usually, since each part is counted, but the boundary can be misread — a heuristic seeing `co-operate` may treat `co` as a syllable-less fragment. Splitting on the hyphen first is the standard fix.
Which words break the vowel-group rule most reliably?: Words with a sounded final `e` (`recipe`, `apostrophe`), `-ed` endings that do or do not add a syllable (`walked` versus `wanted`), and vowel hiatus (`fiancé`, `create`) where two adjacent vowels are two syllables, not one.

Common errors and gotchas

Expecting exactness, since English syllable counting is heuristic and disputed even among speakers.
Applying it to another language, where the rules are entirely different.
Counting a silent e or a diphthong the way the algorithm does rather than the way you say it.
Trusting the count on proper nouns and loanwords, which defeat most heuristics.
Optimising a readability score by shortening words at the cost of precision.